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Port 10010 (rxapi)

IANA assigns port 10010 to rxapi: ooRexx rxapi services.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
rxapi TCP ooRexx rxapi services David Ashley -

Registry dates for this port: registered 2009-07-24.

Check what is listening on port 10010

Linux: is anything listening on TCP 10010?
sudo ss -tlnp 'sport = :10010'
Linux / macOS: which process owns the port
sudo lsof -nP -i :10010
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':10010 '
Windows (Command Prompt)
netstat -ano | findstr :10010
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 10010 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 10010
From Windows
Test-NetConnection HOST -Port 10010

Block port 10010 in the firewall

ufw
sudo ufw deny 10010/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 10010 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 10010 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 10010' -Direction Inbound -Protocol TCP -LocalPort 10010 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.